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Finding the Fourth Proportional to 503,881.04, 755,816.85 and 204,290.42

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Solution

The fourth proportional to 503,881.04, 755,816.85 and 204,290.42 is: 306,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,881.04 : 755,816.85 = 204,290.42 : x
  2. Step 2: Convert to fraction form
    503,881.04/755,816.85 = 204,290.42/x
  3. Step 3: Cross multiply
    503,881.04x = 755,816.85 × 204,290.42
  4. Step 4: Simplify right side
    503,881.04x = 154,406,137,950.49
  5. Step 5: Solve for x
    x = 154,406,137,950.49/503,881.04
  6. Step 6: Final answer
    x = 306,433.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.